Card holder



FIG. 1 is a front perspective view of the sign/card display system ofthe present invention showing our new design;

FIG. 2 is an enlarged exploded perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof; and,

FIG. 5 is a rear perspective view thereof.

The ornamental design for a card holder, as shown and described.